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metrics.go
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metrics.go
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//
// DISCLAIMER
//
// Copyright 2016-2024 ArangoDB GmbH, Cologne, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package metric_descriptions
import (
"sync"
"github.com/arangodb/kube-arangodb/pkg/util/metrics"
)
var (
descriptions []metrics.Description
descriptionsLock sync.Mutex
collectors []metrics.Collector
collectorsLock sync.Mutex
)
func registerDescription(d ...metrics.Description) {
if len(d) == 0 {
return
}
descriptionsLock.Lock()
defer descriptionsLock.Unlock()
descriptions = append(descriptions, d...)
}
func registerCollector(d ...metrics.Collector) {
if len(d) == 0 {
return
}
collectorsLock.Lock()
defer collectorsLock.Unlock()
collectors = append(collectors, d...)
}
func Descriptions(c metrics.PushDescription) {
descriptionsLock.Lock()
defer descriptionsLock.Unlock()
c.Push(descriptions...)
}
func Collectors(c metrics.PushMetric) {
collectorsLock.Lock()
defer collectorsLock.Unlock()
for _, collector := range collectors {
collector.CollectMetrics(c)
}
}